Hollywood Backlot - Behind the scenes

Among those shooting a scene in the choir room are, left to right, bottom row, Kevin McHale, Heather Morris and Chris Colfer. In the top row are Harry Shum Jr. and Jenna Ushkowitz.

Among those shooting a scene in the choir room are, left to right, bottom row, Kevin McHale, Heather Morris and Chris Colfer. In the top row are Harry Shum Jr. and Jenna Ushkowitz. (Kirk McKoy / Los Angeles Times)

Among those shooting a scene in the choir room are, left to right, bottom row, Kevin McHale, Heather Morris and Chris Colfer. In the top row are Harry Shum Jr. and Jenna Ushkowitz.